Java tutorial
//package com.java2s; import android.text.TextUtils; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Main { public static boolean hasChinese(String str) { if (TextUtils.isEmpty(str)) return false; else { String regEx = "[\u4e00-\u9fa5]"; Pattern p = Pattern.compile(regEx); Matcher m = p.matcher(str); if (m.find()) return true; else return false; } } }